micropyle In A Sentence
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- At the center is a minute opening, called a micropyle, through which the sperm enters the egg.
- An obturator is present in the ovary of some plants, near the micropyle of each ovule.
- On this butterfly egg, the lacy pattern marks the micropyle, where sperm enters.
- It's difficult to find micropyle in a sentence.
- On this butterfly egg, the lacy pattern marks the micropyle, where sperm enters. A similar design appears on the scaly wings that gave the red lacewing butterfly its name.
- In Araucaria and Saxegothaea the nucellus itself projects beyond the open micropyle and receives the pollen-grains direct.
- He describes the standard arrangement in angiosperms-the nucellus joined by the chalaza to the integuments, which surround the nucellus except at the micropyle, through which the pollen tubes enter.
- A complete and functional female flower consists of a single ovule with two integuments, the inner of which is prolonged into a narrow tubular micropyle, like that in the flower of Gnetum.
- The micropyle is an opening in the protective layers of the ovule.
- In angiosperms, only a pollen tube enters the micropyle.
- After fertilization through the micropyle, the zygote turned into dormancy status without certain time phase.
- When placed on the ovary, and makes its way along the placenta, guided by projections or hairs, to the micropyle of an ovule.
- For the process of pollination to be successful, a pollen grain produced by the micropyle and fertilise it, resulting in the production of a seed.
- When a pollen grain adheres to the stigma of a carpel it germinates, developing a pollen tube that grows through the tissues of the style, entering the ovule through the micropyle.
- In gymnosperms ( e . g ., conifers ), the pollen is drawn into the ovule on a drop of fluid that exudes out of the micropyle, the so-called pollination drop mechanism.
- The top of the egg is depressed and forms a small central cavity called micropyle through which the egg is fertilised.
- When the ovule is so developed that the chalaza is at the hilum (next the placenta), and the micropyle is at the opposite extremity, there being a short funicle, the ovule is orthotropous.
- The micropyle is formed with inner integuments and partial outer integument.
- The eggs have large micropyle rosettes that turn black as the fertile eggs develop.
- In a favorable situation, an opening called the micropyle appears and releases amoebocytes, which differentiate into cells of all the other types.
- In Casuarina, Juglans and the order Corylaceae, the pollen-tube does not enter by means of the micropyle, but passing down the ovary wall and through the placenta, enters at the chalazal end of the ov
- "Drosophila melanogaster " spermatozoa contains an alpha-l-fucosidase that might be involved in fertilisation by interacting with alpha-l-fucose residues on the micropyle of the eggshell.
- A young ovule consists of a conical nucellus surrounded by a single integument terminating as a two-lipped micropyle.
- The primary root of the embryo in all Angiosperms points towards the micropyle.
- A pro-embryo - a cellular row of which the cell nearest the micropyle becomes attached to the apex of the embryo-sac, and thus fixes the position of the developing embryo, while the terminal cell is p
Similar words: Micropublishing, Micromorph, Microtone, Microphyte, Microporous, Microfilms, Microarchitecture, Miconia, Microsystems, Microcytosis, Microhabitat, Microsoma, Microparasite, Microseism, Microthelyphonidae, Microseismograph, Microminimus, Micromanipulation, Micawberism, Microfilariae